The MOE Key Laboratory of Orogenic Belt and Crustal Evolution;
School of Earth and Space Sciences;
Peking University;
Beijing 100871;
China;
Univ Lyon;
Ens de Lyon;
Universite Lyon 1;
CNRS;
UMR 5276 LGL-TPE;
F-69622;
Villeurbanne;
France;
Oxygen; fugacity; Western; Tianshan; Subduction; zone; Deep; carbon; cycle; Polarized; redox; model;